How to export a Base64 string to a file, on server side, without saving it in web server, directly by PHP?

Question

I am using PHP and MySQL for my programming.

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I have stored some Base64 strings (which are encoded from files

Answer 1

Try adding headers to the script before echoing the output

header('Content-Description: File Transfer');
header("Content-type: application/octet-stream");
header("Content-disposition: attachment; filename= ".$file."");
echo base64_decode($file);